abundances

 
[ə'bʌndənsɪz]     [ə'bʌndənsɪz]    
  • 丰度
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abundances是什么意思,词典释义与在线翻译:

英英释义

名词 abundance:
  1. the property of a more than adequate quantity or supply

  2. (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present

  3. (chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million

abundances的用法和样例:

例句

  1. Would observations of the abundances of chemical elements lead cosmologists of the distant future to a knowledge of the big bang?
    对化学元素丰度的观测,是否能够使遥远未来的宇宙学家获得关于大霹雳的知识呢?

abundances的海词问答与网友补充:

提问补充

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